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8400 — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

8400: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include overall_width: 4.0 INCHES NOMINAL IN, overall_height: 5.1 INCHES NOMINAL IN, overall_length: 1.9 INCHES NOMINAL IN, special_features: NA: PN 1035148, end_item_identification: FEDS, part_name_assigned_by_controlling_agency: 8400 TRANSDUCER 1/O MODULE. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-013-2100, 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
MRO→ MRO_GENERAL→ 8400
NSN: 5305-00-013-2100
NIINs: 000132100, 000983722, 003936244, 004487025, 004813634, 004842626, 005271498, 005468621, 009576892, 009745681, 010394802, 010544035, 010644028, 010735322, 011515701, 011719209, 011894905, 013238949, 014217380, 014416973, 014549676, 014690747, 014889518, 015059516, 015909077, 016124695
FSC: 5305 — Screws
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
overall_width4.0 INCHES NOMINAL IN
overall_height5.1 INCHES NOMINAL IN
overall_length1.9 INCHES NOMINAL IN
special_featuresNA: PN 1035148
end_item_identificationFEDS
part_name_assigned_by_controlling_agency8400 TRANSDUCER 1/O MODULE
NSN5305-00-013-2100
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8400 · 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: 0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
FASTENER LENGTH: 0.312 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.312 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FILLISTER
•
SCREW MATERIAL: STEEL 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
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
FASTENER LENGTH0.312 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES
THREAD LENGTH0.312 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFILLISTER
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
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 7
10-16434Reference document
Same NSN cross-reference
Reference document — Secondary reference
20506-25Reference document
Same NSN cross-reference
Reference document — Secondary reference
A1498Reference document
Same NSN cross-reference
Reference document — Secondary reference
132100Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN501-10-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
31588S7S8Reference 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 8400?
8400 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8400?
There are 7 known substitutes for 8400: 10-16434, 20506-25, A1498 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8400?
8400 is cataloged in the U.S. Government catalog under NSN 5305-00-013-2100. 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.