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13225481 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

13225481: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.500 INCHES NOMINAL IN, nut_length: 0.230 INCHES NOMINAL IN, thread_class: 2B, thread_length: 0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-475-5361, 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
13225481
NSN: 5310-01-475-5361
NIINs: 014755361, 014755363
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.500 INCHES NOMINAL IN
nut_length0.230 INCHES NOMINAL IN
thread_class2B
thread_length0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
thread_seriesUNEF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-01-475-5361
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 13225481 · 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
•
NUT LENGTH: 0.230 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290,CLASS 1,TY VI FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNEF
•
THREAD LENGTH: 0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
NUT WIDTH ACROSS FLATS: 0.440 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
NUT LENGTH0.230 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CLASS 1,TY VI FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNEF
THREAD LENGTH0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NUT WIDTH ACROSS FLATS0.440 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
CROSS-SECTIONAL SHAPEHEXAGONAL NUT
SURFACE TREATMENTNICKEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
FN1012-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
310-1767-01-02-00Reference document
Same NSN cross-reference
Reference document — Secondary 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 13225481?
13225481 is a NUT,SLEEVE.
What parts can replace 13225481?
There are 2 known substitutes for 13225481: FN1012-1, 310-1767-01-02-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 13225481?
13225481 is cataloged in the U.S. Government catalog under NSN 5310-01-475-5361. 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.