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128C48000E08 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

128C48000E08: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include material: STEEL OVERALL, head_length: 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN, stud_diameter: 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN, stud_head_height: 0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-620-6208, 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
128C48000E08
NSN: 5325-00-620-6208
FSC: 5325 — Fastening Devices
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_length1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
stud_diameter0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
stud_head_height0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
securing_device_typeWASHER
turnlock_stud_head_styleSTUD HEAD
material_accommodated_thickness0.245 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_engaging_member_to_largest_bearing_surface_of_head0.683 INCHES NOMINAL IN
NSN5325-00-620-6208
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 128C48000E08 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HEAD LENGTH: 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.245 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN
•
STUD HEAD HEIGHT: 0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: WASHER
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.683 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: STUD HEAD
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD LENGTH1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
MATERIAL ACCOMMODATED THICKNESS0.245 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN
STUD HEAD HEIGHT0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN
SECURING DEVICE TYPEWASHER
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.683 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLESTUD HEAD
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL OVERALL
STUD ASSEMBLY STYLESTUD ASSEMBLY
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
91S2-8WSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
91S2-08WSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128C48000E08?
128C48000E08 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 128C48000E08?
There are 2 known substitutes for 128C48000E08: 91S2-8W, 91S2-08W. Substitute compatibility should be verified for your specific system.
What is the NSN for 128C48000E08?
128C48000E08 is cataloged in the U.S. Government catalog under NSN 5325-00-620-6208. 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.