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167968R91 — VALVE,RESTRICTOR CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

167968R91: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-00-774-8294, 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
167968R91
NSN: 4820-00-774-8294
FSC: 4820 — Valves, Nonpowered
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
Part Number167968R91
NSN4820-00-774-8294
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 167968R91 · 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
SUBSTITUTES & CROSS-REFERENCES 5
301-SR-739Reference document
Same NSN cross-reference
Reference document — Secondary reference
606182C91Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
278596Reference document
Same NSN cross-reference
Reference document — Secondary reference
23-K-41Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
227240Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 167968R91?
167968R91 is a VALVE,RESTRICTOR CHECK.
What parts can replace 167968R91?
There are 5 known substitutes for 167968R91: 301-SR-739, 606182C91, 278596 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 167968R91?
167968R91 is cataloged in the U.S. Government catalog under NSN 4820-00-774-8294. 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.