NSN 5305-01-003-9978 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-003-9978. Manufacturer of record part number: 2027-1177.
Also searched as5305-01-003-9978 ·
5305010039978 ·
NIIN 010039978 ·
01-003-9978 ·
FSC 5305 Screws · CAGE 06351 · 2027-1177
General Characteristics Item Description: STEEL,CORROSION RESTING,300 SERIES,2.180 IN. LG,0.312-80 UNS 2A LH THREAD 1.440 IN. LG A
2 manufacturer part numbers on file
Manufacturer of record: Microwave Engineering Corporation
Identification
NSN: 5305-01-003-9978
NIIN: 010039978
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 2027-1177
Manufacturer: Microwave Engineering Corporation
General Description
The Screw,special, cataloged under National Stock Number 5305-01-003-9978, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Microwave Engineering Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-003-9978
Primary Part Number
2027-1177
Item Name
Screw,special
FSC / FSG
5305 / 53 — Screws
Manufacturer
Microwave Engineering Corporation
Status
ACTIVE
General Characteristics Item Description
STEEL,CORROSION RESTING,300 SERIES,2.180 IN. LG,0.312-80 UNS 2A LH THREAD 1.440 IN. LG A
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-003-9978?
NSN 5305-01-003-9978 is a Screw,special, manufactured by Microwave Engineering Corporation, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-003-9978?
NSN 5305-01-003-9978 has 2 manufacturer part numbers on file: 2027-1177 (Dixie Air Parts Supply, Inc.), 2027-1177 (Microwave Engineering Corporation).
What are the specifications of 2027-1177?
Key specifications for 2027-1177: General Characteristics Item Description: STEEL,CORROSION RESTING,300 SERIES,2.180 IN. LG,0.312-80 UNS 2A LH THREAD 1.440 IN. LG A. 1 specification is documented in the U.S. Government catalog.
Is NSN 5305-01-003-9978 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.