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91145A129 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91145A129: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL, hole_diameter: 0.112 INCHES NOMINAL IN, overall_height: 0.125 INCHES NOMINAL IN, outside_diameter: 0.188 INCHES NOMINAL IN, special_features: NYLON 6/6 SHOULDERED WASHER; LONG BARREL; NUMBER 4 SIZE SCREW HOLE; 0.125 IN. LENGTH; 0.188 IN.

THICKNESS IN, style_designator: SHOULDERED. This part is cataloged in the U.S. Government catalog under NSN 5310-01-489-5224, 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
91145A129
NSN: 5310-01-489-5224
FSC: 5310 — Nuts and Washers
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
hole_diameter0.112 INCHES NOMINAL IN
overall_height0.125 INCHES NOMINAL IN
outside_diameter0.188 INCHES NOMINAL IN
special_featuresNYLON 6/6 SHOULDERED WASHER; LONG BARREL; NUMBER 4 SIZE SCREW HOLE; 0.125 IN. LENGTH; 0.188 IN. THICKNESS IN
style_designatorSHOULDERED
NSN5310-01-489-5224
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91145A129 · 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
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 0.188 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
•
HOLE DIAMETER: 0.112 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.125 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER0.188 INCHES NOMINAL IN
SPECIAL FEATURESNYLON 6/6 SHOULDERED WASHER; LONG BARREL; NUMBER 4 SIZE SCREW HOLE; 0.125 IN. LENGTH; 0.188 IN. THICKNESS IN
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
HOLE DIAMETER0.112 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91145A129?
91145A129 is a WASHER,SHOULDERED.
What is the NSN for 91145A129?
91145A129 is cataloged in the U.S. Government catalog under NSN 5310-01-489-5224. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.