NSN 5305-01-477-9533 · NIIN 014779533 · Part number 03A509-5-11C
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 1W025
Government record, cited
NSN 5305-01-477-9533 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-477-9533. Manufacturer of record part number: 03A509-5-11C.
Shoulder Length: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM ALL SHOULDERS IN
Shoulder Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER IN
Thread Length: 0.469 INCHES MAXIMUM IN
Shoulder Shape: ROUND FIRST SHOULDER
Material Document and Classification: 6AL-4VTITANIUMALLOYPERAMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 0.312 INCHES IN
Identification
NSN: 5305-01-477-9533
NIIN: 014779533
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 03A509-5-11C
Manufacturer: Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
General Description
The Screw,shoulder, cataloged under National Stock Number 5305-01-477-9533, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 17 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-477-9533
Primary Part Number
03A509-5-11C
Item Name
Screw,shoulder
FSC / FSG
5305 / 53 — Screws
Manufacturer
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Status
ACTIVE
Fastener Length
1.156 INCHES MAXIMUM IN
Shoulder Length
0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM ALL SHOULDERS IN
Shoulder Diameter
0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER IN
Thread Length
0.469 INCHES MAXIMUM IN
Shoulder Shape
ROUND FIRST SHOULDER
Material Document and Classification
6AL-4VTITANIUMALLOYPERAMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Nominal Thread Diameter
0.312 INCHES IN
Head Style
FLAT COUNTERSUNK
Thread Direction
RIGHT-HAND
Minimum Tensile Strength
9260 POUNDS PER SQUARE INCH LBS
Internal Drive Style
TORX
Countersink Angle
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread Class
3A A
Thread Quantity Per Inch
24
Material
TITANIUM ALLOY UNS R56400 OVERALL
Thread Series Designator
UNIFIED NATIONAL JOINT FINE (UNJF)
Head Diameter
0.577 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-477-9537CB9240-4-11CPOSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Click Bond Inc
5305-01-477-9540CB9240-4-13CPOSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Click Bond Inc
5305-01-477-954203A509-5-1CPOSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
5305-01-477-9558CB9240-4-9CPOSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Click Bond Inc
5305-01-477-9687CB9240-6-14CPOSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Click Bond Inc
5305-01-477-969303A509-5-9CPOSSIBLE MATCH
SCREW,SHOULDER
Possible match (shared part number)Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
Reference documents
Reference
Meaning
03A509
D/9Drawing number reference only
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Related Parts
5305-01-477-9537POSSIBLE MATCH
SCREW,SHOULDER
CB9240-4-11C
5305-01-477-9540POSSIBLE MATCH
SCREW,SHOULDER
CB9240-4-13C
5305-01-477-9542POSSIBLE MATCH
SCREW,SHOULDER
03A509-5-1C
5305-01-477-9558POSSIBLE MATCH
SCREW,SHOULDER
CB9240-4-9C
5305-01-477-9687POSSIBLE MATCH
SCREW,SHOULDER
CB9240-6-14C
5305-01-477-9693POSSIBLE MATCH
SCREW,SHOULDER
03A509-5-9C
5305-01-477-9694POSSIBLE MATCH
SCREW,SHOULDER
CB9240-5-13C
5305-01-477-9698POSSIBLE MATCH
SCREW,SHOULDER
CB9240-5-15C
5305-01-477-9700POSSIBLE MATCH
SCREW,SHOULDER
CB9240-5-16C
5305-01-477-9701POSSIBLE MATCH
SCREW,SHOULDER
CB9240-4-14C
5305-01-477-9706POSSIBLE MATCH
SCREW,SHOULDER
CB9240-4-4C
Frequently Asked Questions
What is NSN 5305-01-477-9533?
NSN 5305-01-477-9533 is a Screw,shoulder, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-477-9533?
NSN 5305-01-477-9533 has 2 manufacturer part numbers on file: CB9240-5-11C (Click Bond Inc), 03A509-5-11C (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
What NSN replaces 5305-01-477-9533?
11 possible matches (shared part number, not a government interchangeability claim): 5305-01-477-9537, 5305-01-477-9540, 5305-01-477-9542. Verify interchangeability with system specifications before substitution.
What are the specifications of 03A509-5-11C?
Key specifications for 03A509-5-11C: Fastener Length: 1.156 INCHES MAXIMUM IN; Shoulder Length: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM ALL SHOULDERS IN; Shoulder Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER IN; Thread Length: 0.469 INCHES MAXIMUM IN. 17 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-477-9533 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.