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RE-B102257 — RE-B102257

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RE-B102257: RE-B102257.

The RE-B102257 is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500, thread_class: 5A STUD THREAD A, thread_length: 0.625 INCHES NOMINAL STUD THREAD IN, overall_length: 1.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.500 INCHES NUT THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-161-6221, 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
RE-B102257
NSN: 5307-01-161-6221
NIINs: 011616221, 016511468
FSC: 5307 — Studs
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500
thread_class5A STUD THREAD A
thread_length0.625 INCHES NOMINAL STUD THREAD IN
overall_length1.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES NUT THREAD IN
thread_quantity_per_inch13 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-01-161-6221
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RE-B102257 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD LENGTH: 0.812 INCHES NOMINAL NUT THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.812 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.625 INCHES NOMINAL STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.875 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.500 INCHES STUD THREAD IN
THREAD CLASS2A NUT THREAD A
THREAD CLASS5A STUD THREAD A
SUBSTITUTES & CROSS-REFERENCES 1
ASC1539152Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 RE-B102257?
RE-B102257 is a RE-B102257.
What parts can replace RE-B102257?
There is 1 known substitute for RE-B102257: ASC1539152. Substitute compatibility should be verified for your specific system.
What is the NSN for RE-B102257?
RE-B102257 is cataloged in the U.S. Government catalog under NSN 5307-01-161-6221. 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.