PartsTable TECHNICAL DATA SHEET
NSN 5310-01-218-5416Government record, cited

Washer, Flat5310-01-218-5416

NSN 5310-01-218-5416 · NIIN 012185416 · Part number 90046
Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 73030
Government record, cited
NSN 5310-01-218-5416 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-218-5416. Manufacturer of record part number: 90046.
Also searched as  5310-01-218-5416 · 5310012185416 · NIIN 012185416 · 01-218-5416 · FSC 5310 Nuts and Washers · CAGE 73030 · 90046
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Outside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Overall Diameter: 0.354 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: BLANK RECTANGULAR
  • Surface Treatment: PASSIVATE OVERALL
  • Peripheral Shape Style: DEE
Identification
  • NSN: 5310-01-218-5416
  • NIIN: 012185416
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 90046
  • Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-218-5416, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
ParameterValue
NSN5310-01-218-5416
Primary Part Number90046
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Outside Left Corner Chamfer Angle45.0 DEGREES NOMINAL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter0.354 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleBLANK RECTANGULAR
Surface TreatmentPASSIVATE OVERALL
Peripheral Shape StyleDEE
Width0.312 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.195 INCHES NOMINAL IN
Thickness0.032 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4920-01-299-030790046 POSSIBLE MATCH
TEST PROGRAM SET
Possible match (shared part number)Textron Systems Corporation Dba Textron Systems Corp
5331-01-335-887812342633 POSSIBLE MATCH
O-RING
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5999-01-407-741690046-002A3N POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5999-01-407-741707-0101-0426-30 POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5999-01-422-255390046-006A1L POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5999-01-439-617190046-033A1N POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5999-01-440-863890046-010C2N POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5999-01-450-178990046-004A1L POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5999-01-451-874790046-017C3A POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5999-01-452-433190046-039C3A POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
90046 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Reference documents
ReferenceMeaning
90046 5/9 Secondary reference
United Technologies Corp Hamilton Sundstrand Corp
Related Parts
4920-01-299-0307POSSIBLE MATCH
TEST PROGRAM SET
90046
5331-01-335-8878POSSIBLE MATCH
O-RING
12342633
5999-01-407-7416POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-002A3N
5999-01-407-7417POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
07-0101-0426-30
5999-01-422-2553POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-006A1L
5999-01-439-6171POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-033A1N
5999-01-440-8638POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-010C2N
5999-01-450-1789POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-004A1L
5999-01-451-8747POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-017C3A
5999-01-452-4331POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-039C3A
5999-01-463-3964POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
90046-016A1N

Frequently Asked Questions

What is NSN 5310-01-218-5416?

NSN 5310-01-218-5416 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-218-5416?

NSN 5310-01-218-5416 has 1 manufacturer part number on file: 90046 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5310-01-218-5416?

11 possible matches (shared part number, not a government interchangeability claim): 4920-01-299-0307, 5331-01-335-8878, 5999-01-407-7416. Verify interchangeability with system specifications before substitution.

What are the specifications of 90046?

Key specifications for 90046: Outside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.354 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-218-5416 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.
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