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438144-01 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

438144-01: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.9685 INCHES NOMINAL IN, diameter: 0.3750 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061 OVERALL, thread_length: 0.3125 INCHES NOMINAL RIGHT EXTERNAL IN, style_designator: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-133-8854, 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
438144-01
NSN: 5340-01-133-8854
FSC: 5340 — Hardware, Commercial
CAGE: 07690 — BAE SYSTEMS CONTROLS INC (USA)
SPECIFICATIONS
length1.9685 INCHES NOMINAL IN
diameter0.3750 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061 OVERALL
thread_length0.3125 INCHES NOMINAL RIGHT EXTERNAL IN
style_designatorPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
cross-sectional_shapeHEXAGON
material_document_and_classificationQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-133-8854
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 438144-01 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
•
LENGTH: 1.9685 INCHES NOMINAL IN
•
THREAD LENGTH: 0.3125 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.3750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH1.9685 INCHES NOMINAL IN
THREAD LENGTH0.3125 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.3750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEHEXAGON
MATERIALALUMINUM ALLOY 6061 OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 438144-01?
438144-01 is a STANDOFF,THREADED,SPACING.
What is the NSN for 438144-01?
438144-01 is cataloged in the U.S. Government catalog under NSN 5340-01-133-8854. 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.