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Technical Data Sheet
PartsTable / COMPONENT / 125176
125176 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include color: BLACK, material: RUBBER, special_features: ITEM IS BUNA N 65 DURO BLACK RUBBER, center_hole_diameter: 1.600 INCHES NOMINAL IN, cross-sectional_height: 0.210 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-637-0366, 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
125176
NSN: 5305-00-637-0366
FSC: 5305
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
colorBLACK
materialRUBBER
special_featuresITEM IS BUNA N 65 DURO BLACK RUBBER
center_hole_diameter1.600 INCHES NOMINAL IN
cross-sectional_height0.210 INCHES NOMINAL IN
NSN5305-00-637-0366
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 125176 · 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 DIAMETER: 0.125 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
•
POINT STYLE: DOG
•
THREAD QUANTITY PER INCH: 56
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
POINT DIAMETER: 0.062 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
•
SURFACE TREATMENT: ZINC AND NICKEL THREADS
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.125 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
POINT STYLEDOG
THREAD QUANTITY PER INCH56
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
POINT DIAMETER0.062 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
SURFACE TREATMENTZINC AND NICKEL THREADS
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
311606Interchangeable
interchangeable cross-reference
interchangeable
279323R91Interchangeable
interchangeable cross-reference
interchangeable
6018Interchangeable
interchangeable cross-reference
interchangeable
8155127Interchangeable
interchangeable cross-reference
interchangeable
33213Interchangeable
interchangeable cross-reference
interchangeable
1384799Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125176?
125176 is a O-RING.
What parts can replace 125176?
There are 13 known substitutes for 125176: 311606, 279323R91, 6018 and 10 more. Substitute compatibility should be verified for your specific system.
Is 125176 still available?
125176 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026