NSN 4820-01-416-5644 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-416-5644. Manufacturer of record part number: 1503-6158-60.
Also searched as4820-01-416-5644 ·
4820014165644 ·
NIIN 014165644 ·
01-416-5644 ·
FSC 4820 Valves, Nonpowered · CAGE 59379 · 1503-6158-60
The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-416-5644, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Atlas Copco Holyoke Inc. 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.
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 4820-01-416-5644?
NSN 4820-01-416-5644 is a Valve,relief,pressure and Temper, manufactured by Atlas Copco Holyoke Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-416-5644?
NSN 4820-01-416-5644 has 1 manufacturer part number on file: 1503-6158-60 (Atlas Copco Holyoke Inc).
What are the specifications of 1503-6158-60?
Key specifications for 1503-6158-60: Criticality Code Justification: FEAT; Special Features: UNDERWATER LIFE SUPPORT IAW NAVSEA INSTRUCTION 10560.2B; End Item Identification: MK 3 MOD 0 LIGHT WEIGHT DIVE SYS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-416-5644 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.