PartsTable TECHNICAL DATA SHEET
NSN 1020-00-889-6988Government record, cited

Valve, Pressure Bypass1020-00-889-6988

NSN 1020-00-889-6988 · NIIN 008896988 · Part number 2527325
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 1020 — Guns, Over 125mm Through 150mm · FSG 10 — Weapons · CAGE 10001
Government record, cited
NSN 1020-00-889-6988 — this item is cataloged by the U.S. Government under National Stock Number 1020-00-889-6988. Manufacturer of record part number: 2527325.
Also searched as  1020-00-889-6988 · 1020008896988 · NIIN 008896988 · 00-889-6988 · FSC 1020 Guns, Over 125mm Through 150mm · CAGE 10001 · 2527325 · LM2527325
Nearby stock numbers  ·
Features
  • Valve,pressure Bypass — FSC 1020
  • General Characteristics Item Description: HYDROSTATIC AND PRESSURE TESTS IN ACCORDANCE WITH DWG 2527325 FSCM 10001,TESTS APPLICABLE TO EQUIPMENT USED ON 5 IN. GUN MOUNT MK 45 MOD 0 NAV WEPS QAP 3783 PAGE 5-4,5.109 IN. LG,1.875 IN. W,0.812 IN. H IN
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
  • NSN: 1020-00-889-6988
  • NIIN: 008896988
  • FSC: 1020 — Guns, Over 125mm Through 150mm
  • FSG: 10 — Weapons
  • Primary part number: 2527325
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Valve,pressure Bypass, cataloged under National Stock Number 1020-00-889-6988, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1020-00-889-6988
Primary Part Number2527325
Item NameValve,pressure Bypass
FSC / FSG1020 / 10 — Guns, Over 125mm Through 150mm
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
General Characteristics Item DescriptionHYDROSTATIC AND PRESSURE TESTS IN ACCORDANCE WITH DWG 2527325 FSCM 10001,TESTS APPLICABLE TO EQUIPMENT USED ON 5 IN. GUN MOUNT MK 45 MOD 0 NAV WEPS QAP 3783 PAGE 5-4,5.109 IN. LG,1.875 IN. W,0.812 IN. H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
LM2527325 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2527325 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 1020 — Guns, Over 125mm Through 150mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1020-00-008-5177
EJECTOR,CARTRIDGE
1020-00-008-5178
EJECTOR,CARTRIDGE
1020-00-008-5179
EJECTOR
1020-00-008-5181
PISTON
1020-00-008-5187
PLUNGER,VALVE
1020-00-008-5188
ACTUATOR,SWITCHETTE
1020-00-008-5188
ACTUATOR,SWITCHETTE
1020-00-008-5190
EJECTOR,CARTRIDGE

Frequently Asked Questions

What is NSN 1020-00-889-6988?

NSN 1020-00-889-6988 is a Valve,pressure Bypass, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.

What part numbers are listed for NSN 1020-00-889-6988?

NSN 1020-00-889-6988 has 2 manufacturer part numbers on file: LM2527325 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2527325 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What are the specifications of 2527325?

Key specifications for 2527325: General Characteristics Item Description: HYDROSTATIC AND PRESSURE TESTS IN ACCORDANCE WITH DWG 2527325 FSCM 10001,TESTS APPLICABLE TO EQUIPMENT USED ON 5 IN. GUN MOUNT MK 45 MOD 0 NAV WEPS QAP 3783 PAGE 5-4,5.109 IN. LG,1.875 IN. W,0.812 IN. H IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 1020-00-889-6988 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 1020-00-889-6988?

NSN 1020-00-889-6988 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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