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Technical Data Sheet
137140 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, material: STEEL OVERALL, point_type: EXTENDED PRONG SQUARE CUT, style_designator: STANDARD, underloop_length: 0.688 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-839-5820, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
137140
NSN: 5315-00-839-5820
FSC: 5315
CAGE: 1LW55 — BORGWARNER PDS (ANDERSON), L.L.C. (USA)
SPECIFICATIONS
diameter0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
materialSTEEL OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length0.688 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_document_and_classificationASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-839-5820
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 137140 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
DIAMETER: 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
POINT TYPE: EXTENDED PRONG SQUARE CUT
STYLE DESIGNATOR: STANDARD
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
UNDERLOOP LENGTH: 0.688 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
POINT TYPEEXTENDED PRONG SQUARE CUT
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
UNDERLOOP LENGTH0.688 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONW/S:AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); AIRCRAFT, EAGLE F-15; L.P. COMPRESSORS; AIRBORNE MOBILE DIR AIR SPT CTL (2ID)(02M JUL83)(AN/UYQ-3A); ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H); GUN, 5-IN./54 CAL, MK-42 & 45; SUPPORT EQUIPMENT, B-1 AIRCRAFT; FIRE PUMPS; TRAINER, B-1B AIRCRAFT; ENGINE, AIRCRAFT TF33-PW-102 (C-135E, EC-135H/K/P); HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; ARMORED MULTI-PURPOSE VEHICLE (AMPV) A
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
42405-2Interchangeable
interchangeable cross-reference
interchangeable
PEI 6558Interchangeable
interchangeable cross-reference
interchangeable
13147Interchangeable
interchangeable cross-reference
interchangeable
H24-228Interchangeable
interchangeable cross-reference
interchangeable
103362Interchangeable
interchangeable cross-reference
interchangeable
S2195Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137140?
137140 is a PIN,COTTER.
What parts can replace 137140?
There are 29 known substitutes for 137140: 42405-2, PEI 6558, 13147 and 26 more. Substitute compatibility should be verified for your specific system.
Is 137140 still available?
137140 is currently cancelled.
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