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Technical Data Sheet
PartsTable / COMPONENT / HDL 1620 BRS CHR#37-PK01
HDL 1620 BRS CHR#37-PK01 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The HDL 1620 BRS CHR#37-PK01 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-931-8652, 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
HDL 1620 BRS CHR#37-PK01
NSN: 5340-00-931-8652
FSC: 5340
CAGE: 91967 — HALSIT HOLDINGS LLC DIV HALSIT HOLDINGS, LLC DBA ABBATRON (USA)
SPECIFICATIONS
Part NumberHDL 1620 BRS CHR#37-PK01
NSN5340-00-931-8652
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HDL 1620 BRS CHR#37-PK01 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HANDLE CLEARANCE: 1.250 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: COPPER ALLOY OVERALL
•
SURFACE TREATMENT: NICKEL OVERALL
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
MOUNTING FACILITY QUANTITY: 2
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.250 INCHES NOMINAL IN
HANDLE CLEARANCE1.250 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTNICKEL OVERALL
NOMINAL THREAD SIZE0.164 INCHES IN
MOUNTING FACILITY QUANTITY2
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
415-1250-02-00Upgraded Successor
successor cross-reference
successor
415-1250-02-02Upgraded Successor
successor cross-reference
successor
933600-3Upgraded Successor
successor cross-reference
successor
06-3120Upgraded Successor
successor cross-reference
successor
1620Upgraded Successor
successor cross-reference
successor
371620Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HDL 1620 BRS CHR#37-PK01?
HDL 1620 BRS CHR#37-PK01 is a HDL 1620 BRS CHR#37-PK01.
What parts can replace HDL 1620 BRS CHR#37-PK01?
There are 10 known substitutes for HDL 1620 BRS CHR#37-PK01: 415-1250-02-00, 415-1250-02-02, 933600-3 and 7 more. Substitute compatibility should be verified for your specific system.
Is HDL 1620 BRS CHR#37-PK01 still available?
HDL 1620 BRS CHR#37-PK01 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026