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601250 — SEAL RING,METAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

601250: SEAL RING,METAL.

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: CARBON OVERALL, ring_style: CONTRACTING CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1580 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN, inside_diameter: 5.7145 INCHES MINIMUM AND 5.7155 INCHES MAXIMUM IN, special_features: SPACER FURNISHED WITH MATCHED SERIAL NUMBER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-151-1921, 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
601250
NSN: 5306-00-151-1921
NIINs: 001511921, 011396838
FSC: 5306 — Bolts
CAGE: 99238 — AIR FORCE STANDARD
SPECIFICATIONS
materialCARBON OVERALL
ring_styleCONTRACTING CONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1580 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN
inside_diameter5.7145 INCHES MINIMUM AND 5.7155 INCHES MAXIMUM IN
special_featuresSPACER FURNISHED WITH MATCHED SERIAL NUMBER
material_document_and_classificationUSG2866 FSCM 03673 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5306-00-151-1921
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 601250 · 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: 0.493 INCHES NOMINAL IN
•
FASTENER LENGTH: 5.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.750 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.493 INCHES NOMINAL IN
FASTENER LENGTH5.000 INCHES NOMINAL IN
THREAD LENGTH1.750 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.125 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
FFB571ANDTYPEB2ANDCLASSCReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 601250?
601250 is a SEAL RING,METAL.
What parts can replace 601250?
There is 1 known substitute for 601250: FFB571ANDTYPEB2ANDCLASSC. Substitute compatibility should be verified for your specific system.
What is the NSN for 601250?
601250 is cataloged in the U.S. Government catalog under NSN 5306-00-151-1921. 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.