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Technical Data Sheet
PartsTable / COMPONENT / 141-279
141-279 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP B1111 OR STEEL COMP B1112 OR STEEL COMP B1113 OVERALL, first_end_style: CHAMFERED, pin_overall_length: 0.738 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN, pin_overall_diameter: 0.4959 INCHES MINIMUM AND 0.4964 INCHES MAXIMUM IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.031 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-014-1279, 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
141-279
NSN: 5315-00-014-1279
FSC: 5315
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP B1111 OR STEEL COMP B1112 OR STEEL COMP B1113 OVERALL
first_end_styleCHAMFERED
pin_overall_length0.738 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
pin_overall_diameter0.4959 INCHES MINIMUM AND 0.4964 INCHES MAXIMUM IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.031 INCHES NOMINAL IN
material_document_and_classificationQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-014-1279
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 141-279 · 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
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP B1111 OR STEEL COMP B1112 OR STEEL COMP B1113 OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
PIN OVERALL LENGTH: 0.738 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
PIN OVERALL DIAMETER: 0.4959 INCHES MINIMUM AND 0.4964 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
MATERIALSTEEL COMP B1111 OR STEEL COMP B1112 OR STEEL COMP B1113 OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
PIN OVERALL LENGTH0.738 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
PIN OVERALL DIAMETER0.4959 INCHES MINIMUM AND 0.4964 INCHES MAXIMUM IN
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
NAS561C2-8Interchangeable
interchangeable cross-reference
interchangeable
311-0421-000Interchangeable
interchangeable cross-reference
interchangeable
TP-2000Interchangeable
interchangeable cross-reference
interchangeable
11-388Interchangeable
interchangeable cross-reference
interchangeable
141-279Interchangeable
interchangeable cross-reference
interchangeable
5745C15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 141-279?
141-279 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 141-279?
There are 10 known substitutes for 141-279: NAS561C2-8, 311-0421-000, TP-2000 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 141-279?
141-279 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-014-1279. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026