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7403491 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7403491: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, material: ALUMINUM ALLOY OVERALL, special_features: STRAIGHT END OF PIN IS THREADED .500-13UNC-3A; PIN HEAD IS 0.50 INCH THICK A, style_designator: STRAIGHT, surface_treatment: ANODIZE OVERALL, under_head_length: 6.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-552-9841, 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
7403491
NSN: 5315-01-552-9841
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
materialALUMINUM ALLOY OVERALL
special_featuresSTRAIGHT END OF PIN IS THREADED .500-13UNC-3A; PIN HEAD IS 0.50 INCH THICK A
style_designatorSTRAIGHT
surface_treatmentANODIZE OVERALL
under_head_length6.500 INCHES MAXIMUM IN
end_item_identificationMK 63 MOD 2 SHIELD
material_document_and_classificationUNS A96061-T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyPIN, DOOR PULL
NSN5315-01-552-9841
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7403491 · 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
•
UNDER HEAD LENGTH: 6.500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRAIGHT
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNS A96061-T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH6.500 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT
MATERIAL DOCUMENT AND CLASSIFICATIONUNS A96061-T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SPECIAL FEATURESSTRAIGHT END OF PIN IS THREADED .500-13UNC-3A; PIN HEAD IS 0.50 INCH THICK A
SURFACE TREATMENTANODIZE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, DOOR PULL
END ITEM IDENTIFICATIONMK 63 MOD 2 SHIELD
MATERIALALUMINUM ALLOY OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7403491?
7403491 is a PIN,STRAIGHT,HEADED.
What is the NSN for 7403491?
7403491 is cataloged in the U.S. Government catalog under NSN 5315-01-552-9841. 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.