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A-54248-1 — VALVE,FLOW CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A-54248-1: VALVE,FLOW CONTROL.

The VALVE,FLOW CONTROL is a the manufacturer industrial component. Key specifications include body_material: ALUMINUM, connection_type: THREADED EXTERNAL BOSS, special_features: OPENING PRESSURE RANGE: 4.5-4.7 PSIG; MINIMUM CLOSE: 4.0 PSIG;, nominal_thread_size: 1.3125 INCHES IN, thread_quantity_per_inch: 16, thread_series_designator: UN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-654-4863, 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
A-54248-1
NSN: 4820-01-654-4863
FSC: 4820 — Valves, Nonpowered
CAGE: 08407 — MIRADA RESEARCH & MANUFACTURING, INC. (USA)
SPECIFICATIONS
body_materialALUMINUM
connection_typeTHREADED EXTERNAL BOSS
special_featuresOPENING PRESSURE RANGE: 4.5-4.7 PSIG; MINIMUM CLOSE: 4.0 PSIG;
nominal_thread_size1.3125 INCHES IN
end_connection_quantity1
thread_quantity_per_inch16
thread_series_designatorUN
NSN4820-01-654-4863
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-54248-1 · 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
•
CONNECTION TYPE: THREADED EXTERNAL BOSS
•
END CONNECTION QUANTITY: 1
•
NOMINAL THREAD SIZE: 1.3125 INCHES IN
•
BODY MATERIAL: ALUMINUM
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES DESIGNATOR: UN
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED EXTERNAL BOSS
END CONNECTION QUANTITY1
NOMINAL THREAD SIZE1.3125 INCHES IN
BODY MATERIALALUMINUM
SPECIAL FEATURESOPENING PRESSURE RANGE: 4.5-4.7 PSIG; MINIMUM CLOSE: 4.0 PSIG;
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUN
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 1
A-53167-4.0Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-54248-1?
A-54248-1 is a VALVE,FLOW CONTROL.
What parts can replace A-54248-1?
There is 1 known substitute for A-54248-1: A-53167-4.0. Substitute compatibility should be verified for your specific system.
What is the NSN for A-54248-1?
A-54248-1 is cataloged in the U.S. Government catalog under NSN 4820-01-654-4863. 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.