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28-90451 — HINGE,HATCH,VEHICULAR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

28-90451: HINGE,HATCH,VEHICULAR.

The HINGE,HATCH,VEHICULAR is a the manufacturer industrial component. Key specifications include reference_number_differentiating_characteristics: SELECTED AND TESTED FOR USE WITH ELECTROLYTIC OXYGEN GENERATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-783-6572, 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
28-90451
NSN: 4820-00-783-6572
NIINs: 007836572, 015529548
FSC: 4820 — Valves, Nonpowered
CAGE: 81412 — TREADWELL CORPORATION (DELAWARE) DBA TREADWELL CORP (USA)
SPECIFICATIONS
reference_number_differentiating_characteristicsSELECTED AND TESTED FOR USE WITH ELECTROLYTIC OXYGEN GENERATOR
NSN4820-00-783-6572
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28-90451 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: SELECTED AND TESTED FOR USE WITH ELECTROLYTIC OXYGEN GENERATOR
TECHNICAL CHARACTERISTICS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSELECTED AND TESTED FOR USE WITH ELECTROLYTIC OXYGEN GENERATOR
SUBSTITUTES & CROSS-REFERENCES 4
R219Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
42H50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7025-PLReference document
Same NSN cross-reference
Reference document — Secondary reference
7025-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 28-90451?
28-90451 is a HINGE,HATCH,VEHICULAR.
What parts can replace 28-90451?
There are 4 known substitutes for 28-90451: R219, 42H50, 7025-PL and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28-90451?
28-90451 is cataloged in the U.S. Government catalog under NSN 4820-00-783-6572. 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.