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4-174049-01 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4-174049-01: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.485 INCHES NOMINAL0.485 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALLSTEEL CORROSION RESISTING OVERALL, thread_length: 0.300 INCHES NOMINAL RIGHT EXTERNAL0.300 INCHES NOMINAL RIGHT EXTERNAL IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREADLEFT INTERNAL AND RIGHT EXTERNAL THREAD, surface_treatment: PASSIVATE OVERALLPASSIVATE OVERALL, width_across_flats: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-086-1654, 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
4-174049-01
NSN: 5340-01-086-1654
FSC: 5340 — Hardware, Commercial
CAGE: 08748 — ELDEC AEROSPACE CORP (USA)
SPECIFICATIONS
length0.485 INCHES NOMINAL0.485 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALLSTEEL CORROSION RESISTING OVERALL
thread_length0.300 INCHES NOMINAL RIGHT EXTERNAL0.300 INCHES NOMINAL RIGHT EXTERNAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREADLEFT INTERNAL AND RIGHT EXTERNAL THREAD
surface_treatmentPASSIVATE OVERALLPASSIVATE OVERALL
width_across_flats0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
cross-sectional_shapeHEXAGONHEXAGON
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-01-086-1654
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4-174049-01 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
•
LENGTH: 0.485 INCHES NOMINAL0.485 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.300 INCHES NOMINAL RIGHT EXTERNAL0.300 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREADLEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
CROSS-SECTIONAL SHAPE: HEXAGONHEXAGON
•
SURFACE TREATMENT: PASSIVATE OVERALLPASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
LENGTH0.485 INCHES NOMINAL0.485 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.300 INCHES NOMINAL RIGHT EXTERNAL0.300 INCHES NOMINAL RIGHT EXTERNAL IN
THREAD LENGTH0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREADLEFT INTERNAL AND RIGHT EXTERNAL THREAD
CROSS-SECTIONAL SHAPEHEXAGONHEXAGON
SURFACE TREATMENTPASSIVATE OVERALLPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALLSTEEL CORROSION RESISTING 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4-174049-01?
4-174049-01 is a STANDOFF,THREADED,SPACING.
What is the NSN for 4-174049-01?
4-174049-01 is cataloged in the U.S. Government catalog under NSN 5340-01-086-1654. 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.