SAE AS81935-3D-2022

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AEROSPACE STANDARD

LOCKING DEVICES

(FOR ROD END BEARINGS)

AS81935™/3

recording, or otherwise, without the prior written permission of SAE.

TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA)

Fax: 724-776-0790 Email: CustomerService@sae.org SAE WEB ADDRESS: http://www.sae.org

ISSUED 1998-03 REVISED 2022-05

THIRD ANGLE PROJECTION

CUSTODIAN: ACBG

REV.

FEDERAL SUPPLY CLASS

3120

AS81935™/3

SHEET 1 OF 3

REV.

PROCUREMENT SPECIFICATION: NONE

SAE Executive Standards Committee Rules provide that: “ This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is

entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.”

SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.

For more information on this standard, visit

https://www.sae.org/standards/content/AS81935/3D/

RATIONALE

FIVE-YEAR REVIEW.

FIGURE 1 - LOCKING DEVICE

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AEROSPACE STANDARD AS81935™/3

SHEET 2 OF 3

REV.

LOCKING DEVICES

(FOR ROD END BEARINGS)

TABLE 1 - LOCKING DEVICE DIMENSIONS

PART

NUMBER

±.005

+.02

-.00

+.02

-.00

±.005

M81935/3-4 .261 .44 .31 .055 .212

M81935/3-5 .324 .50 .35 .055 .273

M81935/3-6 .386 .56 .39 .086 .324

M81935/3-7 .449 .63 .42 .086 .388

M81935/3-8 .511 .75 .50 .086 .450

FIGURE 2 - ROD END TERMINAL DESIGN FOR USE WITH M81935/3 LOCKING DEVICE

TABLE 2 - ROD END TERMINAL DESIGN

THREAD UNJF-3A

+.005

-.000

+.000

-.005

.2500-28 .062 .207

.3125-24 .062 .268

.3750-24 .093 .319

.4375-20 .093 .383

.5000-20 .093 .445

REQUIREMENTS:

1. MATERIAL: 4130 STEEL PER AMS6350, AMS6351, OR AMS6345. HEAT TREATMENT HRC 35 TO 39 IN ACCORDANCE WITH

AMS-H-6875 OR AMS2759.

A286 CRES PER AMS5737 OR AMS5525. HARDNESS HRC 27 TO 31.

2. FINISH: CADMIUM PLATE 4130 STEEL PER AMS-QQ-P-416, TYPE II, CLASS 2.

ZINC NICKEL PLATE 4130 STEEL PER AMS2417, TYPE 2, GRADE B.

PASSIVATE A286 PER AMS2700 METHOD 1 TYPE 2 OR METHOD 2.

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AEROSPACE STANDARD AS81935™/3

SHEET 3 OF 3

REV.

LOCKING DEVICES

(FOR ROD END BEARINGS)

3. THIS ROD END LOCK IS INTENDED FOR USE WITH THE NAS509 JAM NUT FOR POSITIVE LOCKING OF ROD END BEARINGS TO

HYDRAULIC CYLINDER PISTON RODS.

4. FOR CLOSE ADJUSTMENT TO WITHIN .001, USE NAS1193.

5. FOR THREAD SIZES LARGER THAN .5000-20 UNJF-3A, REFER TO NASM14198 OR NAS1193 AS APPLICABLE.

6. DIMENSIONS ARE IN INCHES. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE: DECIMALS ±.010 INCH AND ANGLES ±0.5°.

7. ALL INTERIOR PACKAGES SHALL BE MARKED PER MIL-STD-129.

8. PARTS SHALL BE MARKED IN ACCORDANCE WITH MIL-STD-130.

9. UNLESS OTHERWISE SPECIFIED, DIMENSIONS ON M81935/3-4, -5, AND -6 ARE IDENTICAL TO M81935/3-7 AND -8.

10. PARTS SHALL BE FREE FROM BURRS AND FLAT WITHIN .010 INCHES ON SIZES -4, -5, AND -6 AND WITHIN .020 INCH ON SIZES -7

AND -8.

NOTES:

NOTICE

THIS DOCUMENT REFERENCES A PART WHICH CONTAINS CADMIUM AS A PLATING MATERIAL. CONSULT LOCAL OFFICIALS IF YOU

HAVE QUESTIONS CONCERNING CADMIUM’S USE.

1. THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.

2. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATION FOR BID.

3. THE PART NUMBERS FOR CANCELLED DOCUMENT MIL-B-81935/3 AND THE PART NUMBERS FOR THE SUPERSEDING DOCUMENT

AS81935/3 ARE IDENTICAL. THE PART NUMBERS HAVE NOT BEEN CHANGED. SEE TABLE 3.

TABLE 3 - CROSS REFERENCE

CROSS REFERENCE EXAMPLE

CANCELLED REPLACEMENT

DOCUMENT MIL-B-81935/3 AS81935/3

PART NUMBER M81935/3-( ) M81935/3-( )

4. EXAMPLE OF PART NUMBER:

M81935/3 -8 E

ABSENCE OF LETTER DENOTES CADMIUM PLATED 4130 STEEL

“C” DENOTES PASSIVATED A286 CRES

“E” DENOTES ZINC NICKEL PLATED 4130 STEEL

NOMINAL BORE SIZE CODE, SEE TABLE 1

BASIC PART NUMBER

5. REVISION INDICATOR: A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING

AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES, HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS

DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT,

INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT USED IN ORIGINAL PUBLICATIONS, NOR IN DOCUMENTS

THAT CONTAIN EDITORIAL CHANGES ONLY.

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摘要：

SAE AS81935-3D-2022 是国际自动机工程师学会（SAE International）发布的航空航天领域标准，主要规范了高性能电连接器、附件及安装配件的技术要求和试验方法。该标准适用于军用及民用航空电子系统中的电气互连组件，覆盖了接触件、绝缘体、壳体及锁紧装置等关键部件的设计、测试与验证要求。AS81935-3D-2022 相较于前一版本（如 AS81935-3C）在环境适应性、耐久性及防错装机制上进行了优化更新，确保在极端温度、振动及盐雾环境下仍能保持可靠的电气性能。该标准常用于

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SAE AS81935-3D-2022

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