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25C1 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

25C1: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.876 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 3.000 INCHES NOMINAL IN, fastener_length: 7.500 INCHES NOMINAL IN, special_features: SPRG@FRT. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-496-0587, 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
25C1
NSN: 5306-01-496-0587
FSC: 5306 — Bolts
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.876 INCHES NOMINAL IN
thread_class2A A
thread_length3.000 INCHES NOMINAL IN
fastener_length7.500 INCHES NOMINAL IN
special_featuresSPRG@FRT
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats1.875 INCHES MINIMUM AND 2.165 INCHES MAXIMUM IN
end_item_identification2320014525579
nominal_thread_diameter1.250 INCHES IN
thread_quantity_per_inch12
NSN5306-01-496-0587
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 25C1 · 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
•
HEAD HEIGHT: 0.876 INCHES NOMINAL IN
•
FASTENER LENGTH: 7.500 INCHES NOMINAL IN
•
THREAD LENGTH: 3.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 1.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.875 INCHES MINIMUM AND 2.165 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.876 INCHES NOMINAL IN
FASTENER LENGTH7.500 INCHES NOMINAL IN
THREAD LENGTH3.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER1.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.875 INCHES MINIMUM AND 2.165 INCHES MAXIMUM IN
SPECIAL FEATURESSPRG@FRT
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A A
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
92620A281Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 25C1?
25C1 is a BOLT,MACHINE.
What parts can replace 25C1?
There is 1 known substitute for 25C1: 92620A281. Substitute compatibility should be verified for your specific system.
What is the NSN for 25C1?
25C1 is cataloged in the U.S. Government catalog under NSN 5306-01-496-0587. 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.