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B158 — POST,BINDING,ELECTRICAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B158: POST,BINDING,ELECTRICAL.

The POST,BINDING,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: FIBER AND RUBBER BODY, thread_length: 0.562 INCHES IN, overall_diameter: 0.500 INCHES IN, performance_type: STANDARD CAPACITY, style_designator: COG OR NOTCHED, attachment_method: SEW-ON. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-141-3359, 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
B158
NSN: 5325-00-141-3359
NIINs: 001413359, 001445937, 001471225, 003973237, 005290292, 010653205, 012450520
FSC: 5325 — Fastening Devices
CAGE: 61864 — TRW ASSEMBLIES AND FASTENERS GROUP (USA)
SPECIFICATIONS
materialFIBER AND RUBBER BODY
belt_quantity4
thread_length0.562 INCHES IN
overall_diameter0.500 INCHES IN
performance_typeSTANDARD CAPACITY
style_designatorCOG OR NOTCHED
attachment_methodSEW-ON
basic_shape_styleSINGLE POST, ROUND (POST BINDING)
features_providedEMBROIDERED AND SUBDUED
socket_hole_width0.321 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
design_designationAIR COMBAT COMMAND
NSN5325-00-141-3359
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B158 · 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
•
SOCKET HOLE LENGTH: 0.468 INCHES NOMINAL IN
•
SOCKET OVERALL LENGTH: 0.750 INCHES NOMINAL IN
•
TURNBUTTON OVERALL HEIGHT: 0.281 INCHES NOMINAL IN
•
TURNBUTTON SOCKET STYLE: SOCKET
•
SURFACE TREATMENT: NICKEL OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
SOCKET HOLE WIDTH: 0.321 INCHES NOMINAL IN
•
SOCKET OVERALL WIDTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SOCKET HOLE LENGTH0.468 INCHES NOMINAL IN
SOCKET OVERALL LENGTH0.750 INCHES NOMINAL IN
TURNBUTTON OVERALL HEIGHT0.281 INCHES NOMINAL IN
TURNBUTTON SOCKET STYLESOCKET
SURFACE TREATMENTNICKEL OVERALL
MATERIALCOPPER ALLOY OVERALL
SOCKET HOLE WIDTH0.321 INCHES NOMINAL IN
SOCKET OVERALL WIDTH0.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
116268Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B158?
B158 is a POST,BINDING,ELECTRICAL.
What parts can replace B158?
There is 1 known substitute for B158: 116268. Substitute compatibility should be verified for your specific system.
What is the NSN for B158?
B158 is cataloged in the U.S. Government catalog under NSN 5325-00-141-3359. 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.