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51242000 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

51242000: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.120 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN, style_designator: SLOTTED, end_item_identification: 4210-01-622-0440; TRUCK, FIRE FIGHTING, part_name_assigned_by_controlling_agency: PIN, SPR. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-663-4052, 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
51242000
NSN: 5315-01-663-4052
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 20266 — ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY (USA)
SPECIFICATIONS
diameter0.120 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
style_designatorSLOTTED
end_item_identification4210-01-622-0440; TRUCK, FIRE FIGHTING
part_name_assigned_by_controlling_agencyPIN, SPR
NSN5315-01-663-4052
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 51242000 · 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: SLOTTED
•
DIAMETER: 0.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSLOTTED
DIAMETER0.120 INCHES NOMINAL IN
OVERALL LENGTH1.250 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, SPR
END ITEM IDENTIFICATION4210-01-622-0440; TRUCK, FIRE FIGHTING
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 1
4322412Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51242000?
51242000 is a PIN,SPRING.
What parts can replace 51242000?
There is 1 known substitute for 51242000: 4322412. Substitute compatibility should be verified for your specific system.
What is the NSN for 51242000?
51242000 is cataloged in the U.S. Government catalog under NSN 5315-01-663-4052. 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.