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S2651 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S2651: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include end_item_identification: SPEED CONVERTER, general_characteristics_item_description: ALUMINUM ALLOY EXTRUDED; DULL BLACK ANNODIZED FINISH; 1.000 IN. DIA; 0.125 IN.

HIGH; CENTER HOLE WITH DIP IN CENTER IN. This part is cataloged in the U.S. Government catalog under NSN 5305-01-194-4883, 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
S2651
NSN: 5305-01-194-4883
NIINs: 011944883, 012078133
FSC: 5305 — Screws
CAGE: F6869 — MERITOR INDUSTRIAL PRODUCTS SAINT-ETIENNE (FRA)
SPECIFICATIONS
end_item_identificationSPEED CONVERTER
general_characteristics_item_descriptionALUMINUM ALLOY EXTRUDED; DULL BLACK ANNODIZED FINISH; 1.000 IN. DIA; 0.125 IN. HIGH; CENTER HOLE WITH DIP IN CENTER IN
NSN5305-01-194-4883
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S2651 · 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
SUBSTITUTES & CROSS-REFERENCES 2
21693152Reference document
Same NSN cross-reference
Reference document — Secondary reference
7421693152Same 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 S2651?
S2651 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace S2651?
There are 2 known substitutes for S2651: 21693152, 7421693152. Substitute compatibility should be verified for your specific system.
What is the NSN for S2651?
S2651 is cataloged in the U.S. Government catalog under NSN 5305-01-194-4883. 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.