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5391-4 — INSTRUMENT PANEL REPLACEMENT KIT

✓ Government record, cited
Tactic · HOSE FITTING
PRODUCT OVERVIEW

5391-4: INSTRUMENT PANEL REPLACEMENT KIT.

Try to be the first to play all your dominoes and you will be the winner. Domino double 9 has premium quality tiles and it comes in a durable tin box with a window. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-287-3281, 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
5391-4
NSN: 4730-00-287-3281
NIINs: 002873281, 004484540, 004904669, 011032825, 011558151, 011823305, 015607200
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
end_item_identificationWINCH HYDRAULIC
part_name_assigned_by_controlling_agencyO-RING FOR CB VALVE ITEM 4
NSN4730-00-287-3281
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5391-4 · Tactic ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD TYPE: SOLID
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NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.125 INCHES IN
•
CONNECTION STYLE: PLAIN
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DRIVE END STYLE: HEXAGON
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THREAD DIRECTION: RIGHT-HAND EXTERNAL
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NOMINAL THREAD SIZE: 0.125 INCHES EXTERNAL IN
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SPECIFICATION/STANDARD DATA: 81343-J531 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NONDEFINITIVE SPEC/STD DATA: 2A FIGURE A
TECHNICAL CHARACTERISTICS
HEAD TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.125 INCHES IN
CONNECTION STYLEPLAIN
DRIVE END STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.125 INCHES EXTERNAL IN
SPECIFICATION/STANDARD DATA81343-J531 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA2A FIGURE A
BODY TYPESOLID
END ITEM IDENTIFICATIONGRUMMAN A-10 AIRCRAFT; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
SUBSTITUTES & CROSS-REFERENCES 9
J531Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC127950Reference document
Same NSN cross-reference
Reference document — Secondary reference
44Z226D1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1214Reference document
Same NSN cross-reference
Reference document — Secondary reference
3152X2Reference document
Same NSN cross-reference
Reference document — Secondary reference
6C61Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5391-4?
5391-4 is a INSTRUMENT PANEL REPLACEMENT KIT manufactured by Tactic.
What parts can replace 5391-4?
There are 9 known substitutes for 5391-4: J531, PC127950, 44Z226D1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5391-4?
5391-4 is cataloged in the U.S. Government catalog under NSN 4730-00-287-3281. 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.