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Technical Data Sheet
PartsTable / COMPONENT / WH-250-PA-S0-2-Z
WH-250-PA-S0-2-Z ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301, ring_style: SPECIAL FLAT, usage_design: EXTERNAL, inside_diameter: 2.304 INCHES MINIMUM AND 2.345 INCHES MAXIMUM IN, major_thickness: 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, outside_diameter: 2.606 INCHES MINIMUM AND 2.631 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-214-6079, 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
WH-250-PA-S0-2-Z
NSN: 5325-01-214-6079
FSC: 5325
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 301
ring_styleSPECIAL FLAT
usage_designEXTERNAL
inside_diameter2.304 INCHES MINIMUM AND 2.345 INCHES MAXIMUM IN
major_thickness0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
outside_diameter2.606 INCHES MINIMUM AND 2.631 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationAMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5325-01-214-6079
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WH-250-PA-S0-2-Z · 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
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
MATERIAL: STEEL COMP 301
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
•
USAGE DESIGN: EXTERNAL
•
MAJOR THICKNESS: 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
RING STYLE: SPECIAL FLAT
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
MATERIALSTEEL COMP 301
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
USAGE DESIGNEXTERNAL
MAJOR THICKNESS0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
RING STYLESPECIAL FLAT
INSIDE DIAMETER2.304 INCHES MINIMUM AND 2.345 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.606 INCHES MINIMUM AND 2.631 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
WH-250-S02-PAInterchangeable
interchangeable cross-reference
interchangeable
M2742630160DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-27426Interchangeable
interchangeable cross-reference
interchangeable
M27426-3160DInterchangeable
interchangeable cross-reference
interchangeable
RR-250SPInterchangeable
Same NIIN cross-reference
interchangeable
J204P0250Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WH-250-PA-S0-2-Z?
WH-250-PA-S0-2-Z is a RING,RETAINING.
What parts can replace WH-250-PA-S0-2-Z?
There are 6 known substitutes for WH-250-PA-S0-2-Z: WH-250-S02-PA, M2742630160D, MIL-DTL-27426 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WH-250-PA-S0-2-Z?
WH-250-PA-S0-2-Z is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-214-6079. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026