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A-1668 — CONNECTOR,PLUG,ELECTRICAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A-1668: CONNECTOR,PLUG,ELECTRICAL.

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.187 INCHES NOMINAL IN, fastener_length: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-013-1949, 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
A-1668
NSN: 5305-00-013-1949
NIINs: 000131949, 011290133, 011290134, 011608699, 015288883, 016542232, 016993476
FSC: 5305 — Screws
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.187 INCHES NOMINAL IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
fastener_length0.188 INCHES NOMINAL IN
special_featuresFULL COLOR, WITH SCARLET 67111, WHITE 67101, GREEN 67129, BRONZE 67147, AND BLUE TURQUOISE 67162
thread_directionRIGHT-HAND
attachment_methodHOOK FASTENER
features_providedEMBROIDERED
design_designationGUAM ARMY NATIONAL GUARD ELEMENT JOINT FORCE HEADQUARTERS
NSN5305-00-013-1949
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A-1668 · 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
•
HEAD HEIGHT: 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.187 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
FASTENER LENGTH0.188 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES
THREAD LENGTH0.187 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4S STYLE
SCREW MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
SUBSTITUTES & CROSS-REFERENCES 6
131949Reference document
Same NSN cross-reference
Reference document — Secondary reference
8X884Reference document
Same NSN cross-reference
Reference document — Secondary reference
31027S7S8Reference document
Same NSN cross-reference
Reference document — Secondary reference
31027S7Reference document
Same NSN cross-reference
Reference document — Secondary reference
31027S8Reference document
Same NSN cross-reference
Reference document — Secondary reference
404831Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-1668?
A-1668 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace A-1668?
There are 6 known substitutes for A-1668: 131949, 8X884, 31027S7S8 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1668?
A-1668 is cataloged in the U.S. Government catalog under NSN 5305-00-013-1949. This indicates validated use in U.S. government and defense supply chains.
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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.