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20257-1 — HOUSING,VALVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20257-1: HOUSING,VALVE.

The HOUSING,VALVE is a the manufacturer industrial component. Key specifications include special_features: MANUFACTURER'S NAME CONNECTION, EXHAUST OUTLET. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-027-8719, 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
20257-1
NSN: 5325-00-027-8719
NIINs: 000278719, 006733383, 015045843
FSC: 5325 — Fastening Devices
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresMANUFACTURER'S NAME CONNECTION, EXHAUST OUTLET
NSN5325-00-027-8719
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20257-1 · 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
•
COUNTERSINK ANGLE IN DEG: 82.000
•
RECEPTACLE OVERALL LENGTH: 0.938 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE RECEPTACLE
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.625 INCHES NOMINAL IN
•
MOUNTING STYLE: COUNTERSUNK
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
TECHNICAL CHARACTERISTICS
COUNTERSINK ANGLE IN DEG82.000
RECEPTACLE OVERALL LENGTH0.938 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE RECEPTACLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EJECTOR SPRING
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.625 INCHES NOMINAL IN
MOUNTING STYLECOUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE RECEPTACLE
TURNLOCK RECEPTACLE STYLERECEPTACLE
RECEPTACLE WIDTH0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
019180-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC99098-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
1946680-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
810AS2224-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
03A090-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GR520F6AReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20257-1?
20257-1 is a HOUSING,VALVE.
What parts can replace 20257-1?
There are 8 known substitutes for 20257-1: 019180-3, PC99098-1, 1946680-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20257-1?
20257-1 is cataloged in the U.S. Government catalog under NSN 5325-00-027-8719. This indicates validated use in U.S. government and defense supply chains.
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