NSN 4820-01-108-0247 · NIIN 011080247 · Part number 639AS2988
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 30003
Government record, cited
NSN 4820-01-108-0247 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-108-0247. Manufacturer of record part number: 639AS2988.
Also searched as4820-01-108-0247 ·
4820011080247 ·
NIIN 011080247 ·
01-108-0247 ·
FSC 4820 Valves, Nonpowered · CAGE 30003 · 639AS2988
General Characteristics Item Description: BRASS QQ-B-637 ALLOY 482 1/2 HARD,2 IN. LG,1.500 IN. W,0.500 IN. H,DESIGNED TO HOLD 2 VALVES IN
1 manufacturer part number on file
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 4820-01-108-0247
NIIN: 011080247
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 639AS2988
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Holder,valve Bleed Down Fixture, cataloged under National Stock Number 4820-01-108-0247, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-108-0247
Primary Part Number
639AS2988
Item Name
Holder,valve Bleed Down Fixture
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Status
ACTIVE
General Characteristics Item Description
BRASS QQ-B-637 ALLOY 482 1/2 HARD,2 IN. LG,1.500 IN. W,0.500 IN. H,DESIGNED TO HOLD 2 VALVES IN
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-108-0247?
NSN 4820-01-108-0247 is a Holder,valve Bleed Down Fixture, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-108-0247?
NSN 4820-01-108-0247 has 1 manufacturer part number on file: 639AS2988 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 639AS2988?
Key specifications for 639AS2988: General Characteristics Item Description: BRASS QQ-B-637 ALLOY 482 1/2 HARD,2 IN. LG,1.500 IN. W,0.500 IN. H,DESIGNED TO HOLD 2 VALVES IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-108-0247 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.
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.