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W903 — TAPE,PRESSURE SENSITIVE ADHESIVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

W903: TAPE,PRESSURE SENSITIVE ADHESIVE.

TAPE,PRESSURE SENSITIVE ADHESIVE. Key specifications include material: PLASTIC NYLON BASIC, nominal_width: 2.000 INCHES IN, nominal_length: 25.0 FEET FT, special_features: ADHESIVE BACKING WITH PAPER COVERING, end_item_identification: NYLON PARACHUTES, part_name_assigned_by_controlling_agency: RIPSTOP NYLON ADHESIVE TAPE ROLL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-291-6625, 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
W903
NSN: 4820-01-291-6625
NIINs: 012916625, 015629051
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialPLASTIC NYLON BASIC
nominal_width2.000 INCHES IN
nominal_length25.0 FEET FT
special_featuresADHESIVE BACKING WITH PAPER COVERING
end_item_identificationNYLON PARACHUTES
part_name_assigned_by_controlling_agencyRIPSTOP NYLON ADHESIVE TAPE ROLL
NSN4820-01-291-6625
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: W903 · 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
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESEND ITEM APPLICATION RELIEF VALVE
SUBSTITUTES & CROSS-REFERENCES 2
NMP477Reference document
Same NSN cross-reference
Reference document — Secondary reference
NMP0970A2S0811Reference 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 W903?
W903 is a TAPE,PRESSURE SENSITIVE ADHESIVE.
What parts can replace W903?
There are 2 known substitutes for W903: NMP477, NMP0970A2S0811. Substitute compatibility should be verified for your specific system.
What is the NSN for W903?
W903 is cataloged in the U.S. Government catalog under NSN 4820-01-291-6625. 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.