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2573701 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2573701: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include end_item_identification: E-2C, part_name_assigned_by_controlling_agency: PIN-LOCK. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-780-1939, 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
2573701
NSN: 5310-00-780-1939
NIINs: 007801939, 016642805
FSC: 5310 — Nuts and Washers
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
end_item_identificationE-2C
part_name_assigned_by_controlling_agencyPIN-LOCK
NSN5310-00-780-1939
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2573701 · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.112 INCHES IN
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NUT DIAMETER: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
•
NUT THICKNESS: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
NUT STYLE: ROUND
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
NUT DIAMETER0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
NUT THICKNESS0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NUT STYLEROUND
THREAD CLASS2B
THREAD QUANTITY PER INCH40
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 2573701?
2573701 is a PIN,LOCK.
What is the NSN for 2573701?
2573701 is cataloged in the U.S. Government catalog under NSN 5310-00-780-1939. 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.