PartsTable
Technical Data Sheet
53981 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL COMP 8740, body_style: STRAIGHT SHAPE W/CABLE CLAMP, shell_type: SOLID, thread_class: 2B, overall_width: 0.688 INCHES NOMINAL IN, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-448-4546, 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
53981
NSN: 5307-00-448-4546
FSC: 5307
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 8740
body_styleSTRAIGHT SHAPE W/CABLE CLAMP
shell_typeSOLID
thread_class2B
overall_width0.688 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
thread_length0.625 INCHES MINIMUM STUD THREAD IN
overall_height0.688 INCHES NOMINAL IN
overall_length1.156 INCHES NOMINAL IN
shell_materialCOPPER ALLOY
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
insert_materialPLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END
NSN5307-00-448-4546
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 53981 · 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: CADMIUM OVERALL
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
THREAD PITCH DIAMETERS: +0.2804 TO 0.2830 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
THREAD SERIES DESIGNATOR: UNS STUD THREAD
THREAD QUANTITY PER INCH: 18 STUD THREAD
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
OVERALL LENGTH1.641 INCHES NOMINAL IN
THREAD PITCH DIAMETERS+0.2804 TO 0.2830 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
THREAD SERIES DESIGNATORUNS STUD THREAD
THREAD QUANTITY PER INCH18 STUD THREAD
MATERIALSTEEL COMP 8740
THREAD SERIES DESIGNATORUNF NUT THREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5398-1Interchangeable
interchangeable cross-reference
interchangeable
1011-015-A071Interchangeable
interchangeable cross-reference
interchangeable
1011015A071-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53981?
53981 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 53981?
There are 3 known substitutes for 53981: 5398-1, 1011-015-A071, 1011015A071-000. Substitute compatibility should be verified for your specific system.
Is 53981 still available?
53981 is currently cancelled.
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