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21107-1002 — CYLINDER,ACTUATING,LINEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21107-1002: CYLINDER,ACTUATING,LINEAR.

The CYLINDER,ACTUATING,LINEAR is a the manufacturer industrial component. Key specifications include end_item_identification: DIRECTIONAL CONTROL VALVE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-286-6053, 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
21107-1002
NSN: 5305-01-286-6053
NIINs: 012866053, 014154621
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationDIRECTIONAL CONTROL VALVE
NSN5305-01-286-6053
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21107-1002 · 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: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
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THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
FASTENER LENGTH2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
1/4-20UNC-2A X 2-1/2 LG GR 5Reference 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 21107-1002?
21107-1002 is a CYLINDER,ACTUATING,LINEAR.
What parts can replace 21107-1002?
There is 1 known substitute for 21107-1002: 1/4-20UNC-2A X 2-1/2 LG GR 5. Substitute compatibility should be verified for your specific system.
What is the NSN for 21107-1002?
21107-1002 is cataloged in the U.S. Government catalog under NSN 5305-01-286-6053. 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.