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Technical Data Sheet
PartsTable / COMPONENT / W7955-1.250D-28
W7955-1.250D-28 ✓ 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 W7955-1.250D-28 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-039-5369, 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
W7955-1.250D-28
NSN: 5310-00-039-5369
FSC: 5310
CAGE: 79318 — MEGGITT NORTH HOLLYWOOD INC (USA)
SPECIFICATIONS
Part NumberW7955-1.250D-28
NSN5310-00-039-5369
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W7955-1.250D-28 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
THICKNESS: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
P11D5878Interchangeable
interchangeable cross-reference
interchangeable
504B8-31-89Interchangeable
interchangeable cross-reference
interchangeable
41271EALInterchangeable
interchangeable cross-reference
interchangeable
361984Interchangeable
interchangeable cross-reference
interchangeable
F3010606-6-6-4-15.00 W/SG-066Interchangeable
interchangeable cross-reference
interchangeable
5310PL1332399Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W7955-1.250D-28?
W7955-1.250D-28 is a W7955-1.250D-28.
What parts can replace W7955-1.250D-28?
There are 9 known substitutes for W7955-1.250D-28: P11D5878, 504B8-31-89, 41271EAL and 6 more. Substitute compatibility should be verified for your specific system.
Is W7955-1.250D-28 still available?
W7955-1.250D-28 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026