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21136-7 — SHAFT,DIRECTIONAL CONTROL VALVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21136-7: SHAFT,DIRECTIONAL CONTROL VALVE.

SHAFT,DIRECTIONAL CONTROL VALVE. Key specifications include general_characteristics_item_description: CRES 416, ASTM A582. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-245-5428, 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
21136-7
NSN: 5330-00-245-5428
NIINs: 002455428, 014139234
FSC: 5330 — Packing and Gasket Materials
CAGE: 99218 — STA-RITE PRODUCTS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES 416, ASTM A582
NSN5330-00-245-5428
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21136-7 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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CROSS-SECTIONAL THICKNESS: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
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HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
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STYLE DESIGNATOR: CIRCULAR
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MATERIAL DOCUMENT AND CLASSIFICATION: SAE 10R3,GR SB 815F 3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
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OUTSIDE DIAMETER: 3.125 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN
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APERTURE DIAMETER: 3.000 INCHES NOMINAL IN
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MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 10R3,GR SB 815F 3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.125 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN
APERTURE DIAMETER3.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
2094259Reference document
Same NSN cross-reference
Reference document — Secondary reference
507354Reference document
Same NSN cross-reference
Reference document — Secondary reference
BB29206Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21136-7?
21136-7 is a SHAFT,DIRECTIONAL CONTROL VALVE.
What parts can replace 21136-7?
There are 3 known substitutes for 21136-7: 2094259, 507354, BB29206. Substitute compatibility should be verified for your specific system.
What is the NSN for 21136-7?
21136-7 is cataloged in the U.S. Government catalog under NSN 5330-00-245-5428. 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.