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DAA3142D257-003 — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DAA3142D257-003: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include material: ALUMINUM BODY, regulation_type: AUTOMATIC SINGLE STAGE, special_features: 8.250 IN. OD; 1.582 IN.

ID; 2 HOLES 0.380 IN. DIA IN, surface_treatment: ANODIZE OUTSIDE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-358-1133, 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
DAA3142D257-003
NSN: 4820-01-358-1133
FSC: 4820 — Valves, Nonpowered
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM BODY
regulation_typeAUTOMATIC SINGLE STAGE
special_features8.250 IN. OD; 1.582 IN. ID; 2 HOLES 0.380 IN. DIA IN
surface_treatmentANODIZE OUTSIDE
NSN4820-01-358-1133
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DAA3142D257-003 · 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
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
SURFACE TREATMENT: ANODIZE OUTSIDE
•
MATERIAL: ALUMINUM BODY
TECHNICAL CHARACTERISTICS
REGULATION TYPEAUTOMATIC SINGLE STAGE
SPECIAL FEATURES8.250 IN. OD; 1.582 IN. ID; 2 HOLES 0.380 IN. DIA IN
SURFACE TREATMENTANODIZE OUTSIDE
MATERIALALUMINUM BODY
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DAA3142D257-003?
DAA3142D257-003 is a VALVE,REGULATING,SYSTEM PRESSURE.
What is the NSN for DAA3142D257-003?
DAA3142D257-003 is cataloged in the U.S. Government catalog under NSN 4820-01-358-1133. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.