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04503-1 — SCREW ASSORTMENT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

04503-1: SCREW ASSORTMENT.

The SCREW ASSORTMENT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-00-291-4450, 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
04503-1
NSN: 5315-00-291-4450
NIINs: 002914450, 010081065, 011109228
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 70318 — ALLMETAL SCREW PRODUCTS CORP (USA)
SPECIFICATIONS
Part Number04503-1
NSN5315-00-291-4450
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 04503-1 · 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
•
SURFACE FINISH: 16.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END TAPER LENGTH: 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SECOND END TAPER ANGLE: 2.0 DEGREES MINIMUM AND 8.0 DEGREES MAXIMUM
•
FIRST END STYLE: CHAMFERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SECOND END TAPER LENGTH: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 42.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
SURFACE FINISH16.0 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SECOND END TAPER ANGLE2.0 DEGREES MINIMUM AND 8.0 DEGREES MAXIMUM
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SECOND END TAPER LENGTH0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
FIRST END TAPER ANGLE42.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
PIN OVERALL DIAMETER0.0941 INCHES MINIMUM AND 0.0944 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
0450-031Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 04503-1?
04503-1 is a SCREW ASSORTMENT.
What parts can replace 04503-1?
There is 1 known substitute for 04503-1: 0450-031. Substitute compatibility should be verified for your specific system.
What is the NSN for 04503-1?
04503-1 is cataloged in the U.S. Government catalog under NSN 5315-00-291-4450. 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.