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LFE-SP3-028 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LFE-SP3-028: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include thread_series: UNS, special_features: BLACK, nominal_thread_size: 0.250 INCHES IN, end_item_identification: SEE SPOT III THERMAL CAMERA, thread_quantity_per_inch: 40, part_name_assigned_by_controlling_agency: BOOT SWITCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-514-8993, 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
LFE-SP3-028
NSN: 5340-01-514-8993
FSC: 5340 — Hardware, Commercial
CAGE: FASM4 — L.F.E. (FRA)
SPECIFICATIONS
thread_seriesUNS
special_featuresBLACK
nominal_thread_size0.250 INCHES IN
end_item_identificationSEE SPOT III THERMAL CAMERA
thread_quantity_per_inch40
part_name_assigned_by_controlling_agencyBOOT SWITCH
NSN5340-01-514-8993
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LFE-SP3-028 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
•
THREAD SERIES: UNS
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIAL FEATURESBLACK
PART NAME ASSIGNED BY CONTROLLING AGENCYBOOT SWITCH
END ITEM IDENTIFICATIONSEE SPOT III THERMAL CAMERA
THREAD QUANTITY PER INCH40
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LFE-SP3-028?
LFE-SP3-028 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for LFE-SP3-028?
LFE-SP3-028 is cataloged in the U.S. Government catalog under NSN 5340-01-514-8993. 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.