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A1647 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A1647: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, head_style: FILLISTER, shell_type: SOLID, head_height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_class: 2B, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-2948, 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
A1647
NSN: 5305-00-151-2948
NIINs: 001512948, 008388470, 010973970, 015288923, 016599695, 017136504, 017136507
FSC: 5305 — Screws
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
head_styleFILLISTER
shell_typeSOLID
head_height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_class2B
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
overall_width0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
thread_length0.313 INCHES NOMINAL IN
overall_height0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
overall_length1.187 INCHES MAXIMUM IN
screw_materialSTEEL
NSN5305-00-151-2948
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A1647 · 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: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.313 INCHES NOMINAL IN
•
THREAD LENGTH: 0.313 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 4S STYLE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.313 INCHES NOMINAL IN
THREAD LENGTH0.313 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4S STYLE
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES 8
AN500-8-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
31037S7Reference document
Same NSN cross-reference
Reference document — Secondary reference
903900K1Reference document
Same NSN cross-reference
Reference document — Secondary reference
24752Reference document
Same NSN cross-reference
Reference document — Secondary reference
870888Reference document
Same NSN cross-reference
Reference document — Secondary reference
20506-51Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A1647?
A1647 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace A1647?
There are 8 known substitutes for A1647: AN500-8-5, 31037S7, 903900K1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1647?
A1647 is cataloged in the U.S. Government catalog under NSN 5305-00-151-2948. 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.