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203908 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

203908: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include nut_style: U-SHAPED, nut_width: 0.520 INCHES NOMINAL IN, nut_height: 0.187 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), special_features: FINISH IS DORRL TECH BRIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-411-2351, 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
203908
NSN: 5325-01-411-2351
NIINs: 014112351, 016127968
FSC: 5325 — Fastening Devices
CAGE: 98810 — AEROSONIC LLC (USA)
SPECIFICATIONS
nut_styleU-SHAPED
nut_width0.520 INCHES NOMINAL IN
nut_height0.187 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresFINISH IS DORRL TECH BRIGHT
thread_directionRIGHT-HAND
material_thickness0.020 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
end_item_identification2310-01-595-3986
thread_quantity_per_inch20
part_name_assigned_by_controlling_agencyCAGE NUT
NSN5325-01-411-2351
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 203908 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203908?
203908 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for 203908?
203908 is cataloged in the U.S. Government catalog under NSN 5325-01-411-2351. 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.