PartsTable
Technical Data Sheet
Download PDF

281B — REED,VALVE,COMPRESSOR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

281B: REED,VALVE,COMPRESSOR.

The REED,VALVE,COMPRESSOR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-00-035-7514, 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
281B
NSN: 4820-00-035-7514
NIINs: 000357514, 004398831
FSC: 4820 — Valves, Nonpowered
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
Part Number281B
NSN4820-00-035-7514
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 281B · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; 3.029 IN. O/A LG; 0.500 IN. O/A W; 0.250 IN. THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 3.029 IN. O/A LG; 0.500 IN. O/A W; 0.250 IN. THK IN
SUBSTITUTES & CROSS-REFERENCES 9
116913PC250Reference document
Same NSN cross-reference
Reference document — Secondary reference
111227PC250Reference document
Same NSN cross-reference
Reference document — Secondary reference
113428PC250Reference document
Same NSN cross-reference
Reference document — Secondary reference
116328PC250Reference document
Same NSN cross-reference
Reference document — Secondary reference
116628PC250Reference document
Same NSN cross-reference
Reference document — Secondary reference
117513PC250Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 281B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 281B?
281B is a REED,VALVE,COMPRESSOR.
What parts can replace 281B?
There are 9 known substitutes for 281B: 116913PC250, 111227PC250, 113428PC250 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 281B?
281B is cataloged in the U.S. Government catalog under NSN 4820-00-035-7514. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 281B

✓ 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.