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81997-08 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

81997-08: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include body_style: STRAIGHT THRU, surface_treatment: CHROMIUM AND NICKEL OUTSIDE, temp_control_device_type: THERMOSTATIC, second_end_relationship_with_first_end: IDENTICAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-296-1754, 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
81997-08
NSN: 4820-01-296-1754
FSC: 4820 — Valves, Nonpowered
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
surface_treatmentCHROMIUM AND NICKEL OUTSIDE
end_connection_quantity2
temp_control_device_typeTHERMOSTATIC
second_end_relationship_with_first_endIDENTICAL
NSN4820-01-296-1754
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 81997-08 · 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
KEY FEATURES
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
END CONNECTION QUANTITY: 2
•
TEMP CONTROL DEVICE TYPE: THERMOSTATIC
•
SURFACE TREATMENT: CHROMIUM AND NICKEL OUTSIDE
TECHNICAL CHARACTERISTICS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
END CONNECTION QUANTITY2
TEMP CONTROL DEVICE TYPETHERMOSTATIC
SURFACE TREATMENTCHROMIUM AND NICKEL OUTSIDE
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 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 81997-08?
81997-08 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What is the NSN for 81997-08?
81997-08 is cataloged in the U.S. Government catalog under NSN 4820-01-296-1754. This indicates validated use in U.S. government and defense supply chains.
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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.