PartsTable
Technical Data Sheet
Download PDF

951B-4SE0375 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

951B-4SE0375: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, insert_size: 0.438-20 UNF 3A A, style_designator: KEYLOCK, features_provided: INDIVIDUALLY KEYED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-912-7236, 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
951B-4SE0375
NSN: 5325-00-912-7236
FSC: 5325 — Fastening Devices
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
insert_size0.438-20 UNF 3A A
style_designatorKEYLOCK
features_providedINDIVIDUALLY KEYED
surface_treatmentPASSIVATE OVERALL
width_across_flats0.437 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
top_portion_unthreaded_outside_length0.052 INCHES NOMINAL IN
NSN5325-00-912-7236
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 951B-4SE0375 · 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
•
WIDTH ACROSS FLATS: 0.437 INCHES NOMINAL IN
•
BOTTOM PORTION UNTHREADED OUTSIDE LENGTH: 0.100 INCHES NOMINAL IN
•
LENGTH: 0.375 INCHES NOMINAL IN
•
INSERT SIZE: 0.438-20 UNF 3A A
•
STYLE DESIGNATOR: KEYLOCK
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.437 INCHES NOMINAL IN
BOTTOM PORTION UNTHREADED OUTSIDE LENGTH0.100 INCHES NOMINAL IN
LENGTH0.375 INCHES NOMINAL IN
INSERT SIZE0.438-20 UNF 3A A
STYLE DESIGNATORKEYLOCK
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FEATURES PROVIDEDINDIVIDUALLY KEYED
NOMINAL THREAD SIZE0.250 INCHES IN
TOP UNTHREADED PORTION OUTSIDE DIAMETER0.341 INCHES NOMINAL IN
TOP PORTION UNTHREADED OUTSIDE LENGTH0.052 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 2
69815-18-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
L247-7-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 951B-4SE0375?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 951B-4SE0375?
951B-4SE0375 is a INSERT,SCREW THREAD.
What parts can replace 951B-4SE0375?
There are 2 known substitutes for 951B-4SE0375: 69815-18-6, L247-7-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 951B-4SE0375?
951B-4SE0375 is cataloged in the U.S. Government catalog under NSN 5325-00-912-7236. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 951B-4SE0375

✓ 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.