PartsTable
Technical Data Sheet
Download PDF

SC-1661 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SC-1661: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include special_features: 200 MICROGRAMS PER MILLILITER: MOUSE MONOCLONAL, part_name_assigned_by_controlling_agency: P16(F-12),SPEC: CYCLIN-DEPENDENT KINASE INHIBITOR (CDKN) 2A/P16 ANTIBODY (F-12): CDKN2A/P16 ANTIBODY (F-12) A. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-206-2458, 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
SC-1661
NSN: 5305-00-206-2458
NIINs: 002062458, 015941747
FSC: 5305 — Screws
CAGE: 24956 — UNITED TECHNOLOGIES CORP ELECTRO SYSTEMS INC (USA)
SPECIFICATIONS
special_features200 MICROGRAMS PER MILLILITER: MOUSE MONOCLONAL
part_name_assigned_by_controlling_agencyP16(F-12),SPEC: CYCLIN-DEPENDENT KINASE INHIBITOR (CDKN) 2A/P16 ANTIBODY (F-12): CDKN2A/P16 ANTIBODY (F-12) A
NSN5305-00-206-2458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SC-1661 · 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: 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.133 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
HEAD HEIGHT0.133 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy SC-1661?
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 SC-1661?
SC-1661 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for SC-1661?
SC-1661 is cataloged in the U.S. Government catalog under NSN 5305-00-206-2458. 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 — SC-1661

✓ 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.